SilverTip257 wrote: > On Tue, Sep 9, 2014 at 12:39 PM, John R Pierce <pierce at hogranch.com> > wrote: >> On 9/9/2014 9:33 AM, Mike Watson wrote: >> >>> Can I directly upgrade (update?) from my current 6.5 box to version 7? >>> Or, must I wipe my drives and install from scratch? >> >> I wouldn't. redhat does have an upgrade script for headless >> server-only type configurations, but there's just so much room for 'wrong', with >> newer versions of all the system components like python, apache, libc and >> other libraries, postgresql database server, etc etc etc. >> >> I would save /home, a copy of /etc/passwd,shadow and any other specific >> configuration files, dump any databases, apache configurations, etc etc, >> then do a clean install and piece that stuff back together. >> > As John says, it's risky. > And you're going to want backups anyways if things go south. > > There is a tool in the works, but last I heard it needs testing. > http://wiki.centos.org/TipsAndTricks/CentOSUpgradeTool > > (I'm a member of the fresh install camp!) Huh. I thought preupgrade was part of RHEL 7, since it's in fedora 19 (and pretty much works, most of the time...). Another idea: back up your o/s: mv /boot/* to /boot/old, stuff off / to /old, then just install. Easy downgrade path.... mark